.ql-editor p > img {
    cursor: default;
}

html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f7f7f7;
}

header {
    background-color: #0056b3;
    color: #ffffff;
    padding: 8px 0;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 2px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

#menu {
    font-size: 18px
}

#sub-menu {
    font-size: 14px;
}

nav a {
    text-decoration: none;
    color: #ffffff;
    font-weight: bold;
    padding: 8px;
}

nav ul li a.active {
    background-color: #003366;
    border-radius: 4px;
}

main {
    flex: 1;
    width: 1024px;
    margin: 16px auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 4px 0;
    background-color: #003366;
    color: white;
    font-size: 12px;
}
